Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8347.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-8347
Upstream
Published
2022-01-25T20:15:08Z
Modified
2026-04-01T05:17:41.591903Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
Summary
CVE-2021-4145 affecting package qemu for versions less than 6.2.0-2
Details

A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The self pointer is dereferenced in mirrorwaiton_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold of mirroring node.

References

Affected packages

Azure Linux:2 / qemu

Package

Name
qemu
Purl
pkg:rpm/azure-linux/qemu

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.2.0-2

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-8347.json"